Senior Modem Systems Engineer

Amazon Inc

Quick summary

Work type: On-site
Location: San Diego, CA
Salary: $159,200–$215,300 / yr
Posted: 2 days ago
Nearby: 99+ roles within 25 mi

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $170k

This role $187k

$135k most similar roles pay here $224k

This role pays more than 82% of similar roles. Most pay $152,000–$187,200 — the shaded band above. At the midpoint, this role pays about $187k versus about $170k for comparable roles.

Based on 240 similar postings.

Employer

About Amazon Inc

Amazon Inc. is the world''s largest e-commerce and cloud computing company, operating the Amazon marketplace, AWS cloud platform, Prime subscription services, Alexa voice AI, and logistics infrastructure. Industry: E-Commerce & Cloud Computing

Amazon Inc currently has 335 open roles on FindRole.

Listed pay typically runs $143,700–$194,400 across 317 roles with salary data.

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At a glance

TL;DR · Senior Modem Systems Engineer

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As a Senior Modem Systems Engineer at Amazon Leo, you will join a cutting-edge team responsible for defining the system-level architecture of broadband wireless systems from customer endpoints to terrestrial gateways via Low Earth Orbit satellites. Your daily tasks will include developing and refining physical layer modem algorithms, optimizing signal processing and performance for components like modulation/demodulation, channel coding, and synchronization, and collaborating with RF, ASIC, DV, and SW teams to ensure efficient hardware implementation. You will also support pre-silicon verification and post-silicon validation while focusing on waveform optimization, MIMO strategies, and interference mitigation under realistic channel conditions. The role requires expertise in wireless system design, experience with current RF standards such as 4G/5G and WiMAX, and a strong background in communication theory, OFDM, and digital/wireless communication systems.

Skills

Modulation Demodulation ChannelCoding ChannelEstimation Equalization MIMO Synchronization PHYPerformanceModeling LinkBudgetAnalysis InterferenceMitigation RFDesignImplementation WirelessSystemArchitecture OFDM CommunicationTheory DigitalCommunicationSystems RFEngineering

What you'll do

Develop and enhance physical layer modem algorithms for wireless communication systems.
Design system architecture focusing on signal processing and performance optimization.
Conduct pre-silicon verification and post-silicon validation to ensure hardware accuracy.
Perform link budget analysis and optimize spectral efficiency in broadband wireless systems.
Collaborate with RF, ASIC, DV, and SW teams to align system architecture with real-time constraints.

What we're looking for

7+ years of experience in wireless systems design and RF implementation.
Expertise in physical layer modem algorithms for communication systems.
Experience with current RF standards like cellular, WiMAX, DVB-S2/C, or similar broadband wireless standards.
Strong background in system architecture, signal processing, and performance optimization.
Collaborative skills to work effectively with cross-functional teams including RF, ASIC, DV, and SW.
Analytical problem-solving abilities for pre-silicon verification and post-silicon validation.

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